diff --git a/CMakeLists.txt b/CMakeLists.txt
index effac06..fe85a82 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,8 @@ project(${CNAME} C)
 cmake_minimum_required(VERSION 2.6)
 
 set(CMAKE_INSTALL_PREFIX "/usr/local")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic -std=c99")
+add_definitions("-D_XOPEN_SOURCE=600")
 
 include(CTest)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6c973f8..7c0fcde 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,6 +1,8 @@
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
-add_executable(f2b "main.c" "logfile.c" "log.c")
+set(SOURCES "main.c" "logfile.c" "log.c" "matches.c")
+
+add_executable(f2b ${SOURCES})
 
 install(TARGETS f2b
         RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")